package com.sky.controller.admin;

import com.sky.dto.DishDTO;
import com.sky.dto.DishPageQueryDTO;
import com.sky.entity.Dish;
import com.sky.result.PageResult;
import com.sky.result.Result;
import com.sky.service.DishService;
import com.sky.vo.DishVO;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import lombok.Data;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.Set;

/*
 * 菜品管理
 * */
@RestController
@RequestMapping("/admin/dish")
@Api(tags = "菜品分类接口")
@Slf4j
public class DishController {

    @Autowired
    private DishService dishService;
    @Autowired
    private RedisTemplate redisTemplate;


    @ApiOperation("新增菜品")
    @PostMapping
    public Result save(@RequestBody DishDTO dishDTO) {
        log.info("新增菜品参数:{}", dishDTO);
        dishService.saveWithFlavor(dishDTO);

        //清楚缓存数据
        cleanCache("dish_" + dishDTO.getCategoryId());
        return Result.success();
    }

    @ApiOperation("菜品分页查询")
    @GetMapping("/page")
    public Result<PageResult> page(DishPageQueryDTO dishPageQueryDTO) {
        log.info("分页查询的参数:{}", dishPageQueryDTO);
        PageResult pageResult = dishService.pageQuery(dishPageQueryDTO);
        return Result.success(pageResult);
    }

    @DeleteMapping
    @ApiOperation("菜品批量删除")
    public Result delete(@RequestParam List<Long> ids) {
        log.info("菜品批量删除参数,{}", ids);
        dishService.deleteBatch(ids);
        //清楚缓存数据
        //将所有的菜品缓存数据清理掉
        cleanCache("dish_*");

        return Result.success();
    }


    @GetMapping("/{id}")
    @ApiOperation("根据id来查询菜品")
    public Result<DishVO> getById(@PathVariable Long id) {
        log.info("根据id来查询菜品,{}", id);

        DishVO dishVO = dishService.getById(id);
        return Result.success(dishVO);
    }

    @PutMapping
    @ApiOperation("修改菜品")
    public Result update(@RequestBody DishDTO dishDTO) {

        log.info("修改菜品,{}", dishDTO);

        dishService.updateWithFlavor(dishDTO);
        //修改菜品可能影响两份缓存数据,比如修改分类类型
        //清楚缓存数据
        //将所有的菜品缓存数据清理掉
        cleanCache("dish_*");

        return Result.success();
    }

    @PostMapping("/status/{status}")
    @ApiOperation("启用或禁用菜品")
    public Result startOrStop(@PathVariable Integer status, Long id) {//菜品id
        log.info("启用或禁用菜品参数{},{}", status, id);
        dishService.startOrStop(status, id);
        //清楚缓存数据
        //将所有的菜品缓存数据清理掉
        cleanCache("dish_*");
        return Result.success();
    }

    @GetMapping("/list")
    @ApiOperation("根据分类id来查询菜品")
    public Result<List<Dish>> selectByCategoryId(Long categoryId) {
        List<Dish> list = dishService.selectByCategoryId(categoryId);
        return Result.success(list);
    }

    /*
     * 清楚缓存数据
     * */
    private void cleanCache(String pattern) {
        Set keys = redisTemplate.keys(pattern);
        redisTemplate.delete(keys);
    }

}
